# DSA-5082-1: php7.4 security update

DSA-5082-1, released February 18, 2022, fixes 1 CVE in php7.4 (version 7.4.28-1+deb11u1). None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/dsa-5082-1
- Platform: Linux
- Released: Feb 18, 2022
- Priority: High (Closes CVE-2021-21707, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2021-21707

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [php7.4](https://patchblox.com/security/data/product/linux/php7.4.md) | Debian 11.6 (bullseye) | 7.4.28-1+deb11u1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-21707](https://patchblox.com/security/data/cve/CVE-2021-21707.md) | High | apcu-panel: PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server.  The following packages have be... | 9.8 | 0.2532 |  |

---

Data as of 2026-11-07T06:34:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo